Moduli spaces of instantons on the Taub-NUT space

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41 Scopus citations


We present ADHM-Nahm data for instantons on the Taub-NUT space and encode these data in terms of Bow Diagrams. We study the moduli spaces of the instantons and present these spaces as finite hyperkähler quotients. As an example, we find an explicit expression for the metric on the moduli space of one SU(2) instanton. We motivate our construction by identifying a corresponding string theory brane configuration. By following string theory dualities we are led to supersymmetric gauge theories with impurities.

Original languageEnglish (US)
Pages (from-to)719-736
Number of pages18
JournalCommunications in Mathematical Physics
Issue number2
StatePublished - Jul 2009

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Mathematical Physics


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